Base | Representation |
---|---|
bin | 111011001000111111011… |
… | …0110000111010001001001 |
3 | 1001210001022200001010200212 |
4 | 1312101332312013101021 |
5 | 2031133031244120133 |
6 | 25142014004410505 |
7 | 1466146346032124 |
oct | 166217666072111 |
9 | 31701280033625 |
10 | 8128206238793 |
11 | 2654175579a93 |
12 | ab33739a6a35 |
13 | 46c642c81514 |
14 | 20159b8173bb |
15 | e16775a4148 |
hex | 7647ed87449 |
8128206238793 has 8 divisors (see below), whose sum is σ = 8312590922880. Its totient is φ = 7945858954800.
The previous prime is 8128206238777. The next prime is 8128206238799. The reversal of 8128206238793 is 3978326028218.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 8128206238793 - 24 = 8128206238777 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8128206238799) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509341955 + ... + 509357912.
It is an arithmetic number, because the mean of its divisors is an integer number (1039073865360).
Almost surely, 28128206238793 is an apocalyptic number.
It is an amenable number.
8128206238793 is a deficient number, since it is larger than the sum of its proper divisors (184384684087).
8128206238793 is a wasteful number, since it uses less digits than its factorization.
8128206238793 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1018700047.
The product of its (nonzero) digits is 13934592, while the sum is 59.
The spelling of 8128206238793 in words is "eight trillion, one hundred twenty-eight billion, two hundred six million, two hundred thirty-eight thousand, seven hundred ninety-three".
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